St1eZen6auraabriedy St1eZen6auraabriedy

17-12-2015
Biology

contestada

In early embryonic development the cells start to differentiate based on....
a. hormones secreted by the uterus
b. amniotic fluid produced by the placenta
c. their location, or layer
d. chemicals secreted by the blastocyst

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katiejohnsonkjp6igxs katiejohnsonkjp6igxs

15-11-2019

Answer: A

Explanation:

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